
Description: Tremulous is an open-source and cross-platform online first person shooter that features team-based gameplay with elements of real-time strategy. Players can choose to be agile but weaker humans or slower but stronger aliens in capture-the-flag style matches.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: OpenArena is a free, open source first-person shooter video game. It is a remake of Quake III Arena with new levels, characters and various other enhancements. OpenArena offers fast-paced action and graphics similar to commercial games.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API